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rv10(at)sinkrate.com
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 Posted: Wed Jan 02, 2008 8:51 pm Post subject: tailcone wiring |
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I am getting ready to attach the tailcone to the fuselage but I figure it would be better / easier to run all the wires for the items in the tail while I can still crawl into it before it’s attached. I was thinking about running conduit through the bulkheads down one side and pre running wires within it (or at least string).
Items for wiring
Nav Antenna
Tail Nav light
Tail Strobe light
Pitch Trim Servo wiring
ELT
Does anyone have any pictures of how they routed their wiring?
-Ben Westfall
#40579
[quote][b]
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MauleDriver(at)nc.rr.com
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| Posted: Thu Jan 03, 2008 5:40 am Post subject: tailcone wiring |
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I waited until after I attached the tailcone and found that I didn't need to crawl into the tailcone at all (yet). With the fuselage at the right height, everything is very accessible for my 6' bod and reach. Because all of the tailcone wiring runs forward, my thinking is that it's all easier to do with the fuselage joined. Then you have a good long session of wiring the battery compartment, tailcone, and other stuff.
My approach was to copy the routing used in Van's wiring kit (I didn't buy the kit). That is to run the wire down one of the J-stiffeners. Here's where thorough deburring pays off because you don't won't the wire to contact any burrs. For insurance, I put a 1 inch length of shrink tubing where it passes each bulkhead and then added a small length (3/8" perhaps) of edge grommet to each bulkhead. The grommet work really well without adhesive. It's all tied down with tie wraps. Very neat and easy. Giving the whole bundle a twist keeps everything especially neat. Which is not to say my installation is particularly neat... but I'll do better next time.
I ran wire for the nav light, strobe, pitch trim, and rudder trim (just in case I do the rudder trim later). I holding off on the ELT hoping there will be an experimentally priced solution with the latest tech standard (900mhz or whatever). I'm going with wing tip Nav antenna.
Generally, I'm avoiding conduit for all the initial wiring and only putting empty conduit in for any and all the stuff I'm bound to figure out later. Just a choice.
Attached is a pic but I'm not sure it will post. I can send directly.
Bill "done flying for a while and ready to build again" Watson
Ben Westfall wrote: | Quote: |
I am getting ready to attach the tailcone to the fuselage but I figure it would be better / easier to run all the wires for the items in the tail while I can still crawl into it before it’s attached. I was thinking about running conduit through the bulkheads down one side and pre running wires within it (or at least string).
Items for wiring
Nav Antenna
Tail Nav light
Tail Strobe light
Pitch Trim Servo wiring
ELT
Does anyone have any pictures of how they routed their wiring?
-Ben Westfall
#40579
|
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LarryRosen
Joined: 16 Jan 2006
Posts: 415
Location: Medford, NJ
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| Posted: Thu Jan 03, 2008 6:20 pm Post subject: tailcone wiring |
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If you go this route, as I did, it would be much easier to drill and
deburr the holes in the J stiffeners now. It is easy enough to run the
wire later. I have a wire runs on each side.
Get the static port in now, also much easier than later.
At least that is how I would do it /next /time.
Larry
#356
MauleDriver wrote:
| Quote: | I waited until after I attached the tailcone and found that I didn't
need to crawl into the tailcone at all (yet). With the fuselage at the
right height, everything is very accessible for my 6' bod and reach.
Because all of the tailcone wiring runs forward, my thinking is that
it's all easier to do with the fuselage joined. Then you have a good
long session of wiring the battery compartment, tailcone, and other stuff.
My approach was to copy the routing used in Van's wiring kit (I didn't
buy the kit). That is to run the wire down one of the J-stiffeners.
Here's where thorough deburring pays off because you don't won't the
wire to contact any burrs. For insurance, I put a 1 inch length of
shrink tubing where it passes each bulkhead and then added a small
length (3/8" perhaps) of edge grommet to each bulkhead. The grommet
work really well without adhesive. It's all tied down with tie wraps.
Very neat and easy. Giving the whole bundle a twist keeps everything
especially neat. Which is not to say my installation is particularly
neat... but I'll do better next time.
I ran wire for the nav light, strobe, pitch trim, and rudder trim
(just in case I do the rudder trim later). I holding off on the ELT
hoping there will be an experimentally priced solution with the latest
tech standard (900mhz or whatever). I'm going with wing tip Nav antenna.
Generally, I'm avoiding conduit for all the initial wiring and only
putting empty conduit in for any and all the stuff I'm bound to figure
out later. Just a choice.
Attached is a pic but I'm not sure it will post. I can send directly.
Bill "done flying for a while and ready to build again" Watson
Ben Westfall wrote:
>
> I am getting ready to attach the tailcone to the fuselage but I
> figure it would be better / easier to run all the wires for the items
> in the tail while I can still crawl into it before it’s attached. I
> was thinking about running conduit through the bulkheads down one
> side and pre running wires within it (or at least string).
>
> Items for wiring
>
> Nav Antenna
>
> Tail Nav light
>
> Tail Strobe light
>
> Pitch Trim Servo wiring
>
> ELT
>
> Does anyone have any pictures of how they routed their wiring?
>
> -Ben Westfall
>
> #40579
>
------------------------------------------------------------------------
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_________________
Larry Rosen
#40356
N205EN (reserved)
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MauleDriver(at)nc.rr.com
Guest
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| Posted: Thu Jan 03, 2008 7:22 pm Post subject: tailcone wiring |
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Totally agree on both points. Drilling the holes for the ties in the J
channel were not much of an hassle after joining the fuse but would be
easier and done more accurately before joining. My static ports were
done before joining - a good way to go.
Larry Rosen wrote:
| Quote: |
If you go this route, as I did, it would be much easier to drill and
deburr the holes in the J stiffeners now. It is easy enough to run the
wire later. I have a wire runs on each side.
Get the static port in now, also much easier than later.
At least that is how I would do it /next /time.
Larry
#356
MauleDriver wrote:
> I waited until after I attached the tailcone and found that I didn't
> need to crawl into the tailcone at all (yet). With the fuselage at
> the right height, everything is very accessible for my 6' bod and
> reach. Because all of the tailcone wiring runs forward, my thinking
> is that it's all easier to do with the fuselage joined. Then you have
> a good long session of wiring the battery compartment, tailcone, and
> other stuff.
>
> My approach was to copy the routing used in Van's wiring kit (I
> didn't buy the kit). That is to run the wire down one of the
> J-stiffeners. Here's where thorough deburring pays off because you
> don't won't the wire to contact any burrs. For insurance, I put a 1
> inch length of shrink tubing where it passes each bulkhead and then
> added a small length (3/8" perhaps) of edge grommet to each bulkhead.
> The grommet work really well without adhesive. It's all tied down
> with tie wraps. Very neat and easy. Giving the whole bundle a twist
> keeps everything especially neat. Which is not to say my installation
> is particularly neat... but I'll do better next time.
>
> I ran wire for the nav light, strobe, pitch trim, and rudder trim
> (just in case I do the rudder trim later). I holding off on the ELT
> hoping there will be an experimentally priced solution with the
> latest tech standard (900mhz or whatever). I'm going with wing tip
> Nav antenna.
>
> Generally, I'm avoiding conduit for all the initial wiring and only
> putting empty conduit in for any and all the stuff I'm bound to
> figure out later. Just a choice.
>
> Attached is a pic but I'm not sure it will post. I can send directly.
>
> Bill "done flying for a while and ready to build again" Watson
>
> Ben Westfall wrote:
>>
>> I am getting ready to attach the tailcone to the fuselage but I
>> figure it would be better / easier to run all the wires for the
>> items in the tail while I can still crawl into it before it’s
>> attached. I was thinking about running conduit through the bulkheads
>> down one side and pre running wires within it (or at least string).
>>
>> Items for wiring
>>
>> Nav Antenna
>>
>> Tail Nav light
>>
>> Tail Strobe light
>>
>> Pitch Trim Servo wiring
>>
>> ELT
>>
>> Does anyone have any pictures of how they routed their wiring?
>>
>> -Ben Westfall
>>
>> #40579
>>
> ------------------------------------------------------------------------
>
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dlm46007(at)cox.net
Guest
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| Posted: Thu Jan 03, 2008 7:34 pm Post subject: tailcone wiring |
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I did the wiring and static ports before attachment; it is easier to secure
the wiring, deburr the holes and install grommets or snap bushings. Another
means to secure the wiring is Adel clamps and click bond fasteners
http://www.clickbond.com/index.php. These can be epoxied anywhere and
provide a very secure wiring bundle to prevent chafing and repair down the
road.
--
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dlm46007(at)cox.net
Guest
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| Posted: Thu Jan 03, 2008 7:36 pm Post subject: tailcone wiring |
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One other consideration: tie wraps get brittle and break with age. YOu can
use adel clamps or make sure the access is easy to replace when necessary.
--
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MauleDriver(at)nc.rr.com
Guest
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| Posted: Fri Jan 04, 2008 4:58 am Post subject: tailcone wiring |
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I have been 'playing' with the old style lacing material and have used it in one inaccessible location in place of a tie wrap. I may do this in a few other locations. The most productive technique seems to be to use tie wraps initially then cut them off and tie off with lacing material.
Having said that, I look at the many tie wraps in my '96 Maule and see little degradation. Including those under the cowl (non-heat resistant type). I think I remember reading that in addition to high heat, ultraviolet exposure will rapidly degrade the tie wraps. They sure are handy.
David McNeill wrote: [quote] [quote]--> RV10-List message posted by: "David McNeill" <dlm46007(at)cox.net> (dlm46007(at)cox.net) One other consideration: tie wraps get brittle and break with age. YOu can use adel clamps or make sure the access is easy to replace when necessary. --
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jesse(at)saintaviation.co
Guest
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| Posted: Fri Jan 04, 2008 5:51 am Post subject: tailcone wiring |
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It depends on what the tie-wraps are made of. The nylon ones hold up much better than the "cheaper" ones. The technique I was taught to check was to fold it over and crease it. If it changes color (stretches and whitens), then you don't want to use it. If it doesn't change color, then it is a good one. Not very scientific, but you will notice the difference. The main thing with using a lot of tie wraps is the little barbs can cut you if you are working in an area of a bunch of wires. For runs like you all are talking about, they shouldn't cause that problem. The lacing is nice, but is not as easy as the tie-wraps, which you can do with one hand if necessary. The little flush cutter that Stein sells is great for cutting the tie-wraps and not leaving much of a barb.
Oh, and if you need to pull a bundle through a conduit, then using little short pieces of heat shrink along the bundle is best, then the lacing, and tie-wraps are terrible.
do not archive
Jesse Saint
Saint Aviation, Inc.
jesse(at)saintaviation.com (jesse(at)saintaviation.com)
Cell: 352-427-0285
Fax: 815-377-3694
On Jan 4, 2008, at 7:55 AM, MauleDriver wrote:
[quote] I have been 'playing' with the old style lacing material and have used it in one inaccessible location in place of a tie wrap. I may do this in a few other locations. The most productive technique seems to be to use tie wraps initially then cut them off and tie off with lacing material.
Having said that, I look at the many tie wraps in my '96 Maule and see little degradation. Including those under the cowl (non-heat resistant type). I think I remember reading that in addition to high heat, ultraviolet exposure will rapidly degrade the tie wraps. They sure are handy.
David McNeill wrote: [quote] [quote]--> RV10-List message posted by: "David McNeill" <dlm46007(at)cox.net> (dlm46007(at)cox.net) One other consideration: tie wraps get brittle and break with age. YOu can use adel clamps or make sure the access is easy to replace when necessary. --
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hotwheels
Joined: 01 Jun 2007
Posts: 240
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